(19)

(11)

EP 2 080 076 A2

(12)

(88) Date of publication A3: 12.09.2008 (43) Date of publication: 22.07.2009 Bulletin 2009/30 (21) Application number: 07843077.4 (22) Date of filing: 24.09.2007

(51) International Patent Classification (IPC):  G05D 29/00(2006.01) (86) International application number: PCT/US2007/079318 (87) International publication number: WO 2008/039725 (03.04.2008 Gazette 2008/14)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 25.09.2006 US 826899 P (71) Applicant: Rexorce Thermionics, Inc. Akron, OH 44311 (US)	(72) Inventor: GURIN, Michael, H. Glenview, IL 60025 (US) (74) Representative: Clegg, Richard Ian et al Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)